英语句子帮我改个错,

问题描述:

英语句子帮我改个错,
I usually spend a lot of time on reading books

有两种改法:
第一种:将on改成in
I usually spend a lot of time in reading books.
第二种:将 on去掉
I usually spend a lot of time reading books.
因为spend的用法是:
spend + 时间/金钱 + on sth
spend + 时间/金钱 + in doing sth,其中in可以省略